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CVE-2026-63140

🗓️ 21 Jul 2026 21:04:01Reported by elasticType 
cve
 cve
🔗 web.nvd.nist.gov👁 5 Views

Reachable assertion in Elasticsearch enables node termination and denial of service by a low-privileged authenticated user.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Cvelist
CVE-2026-63140 Reachable Assertion in Elasticsearch Leading to Denial of Service
21 Jul 202621:04
cvelist
Elastic
Elasticsearch 8.19.19, 9.3.8, 9.4.4 Security Update (ESA-2026-64)
21 Jul 202621:01
elastic
EUVD
EUVD-2026-46433
21 Jul 202621:32
euvd
NVD
CVE-2026-63140
21 Jul 202621:16
nvd
Positive Technologies
PT-2026-62116
21 Jul 202600:00
ptsecurity
[
  {
    "defaultStatus": "unaffected",
    "product": "Elasticsearch",
    "vendor": "Elastic",
    "versions": [
      {
        "lessThanOrEqual": "9.3.7",
        "status": "affected",
        "version": "9.0.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "9.4.3",
        "status": "affected",
        "version": "9.4.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "8.19.18",
        "status": "affected",
        "version": "8.0.0",
        "versionType": "semver"
      }
    ]
  }
]

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21 Jul 2026 21:16Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.16.5
5